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One GI®
- Mark Williams
Mark Williams, CPA has a diverse work experience in finance and accounting. Currently, they hold the position of Senior Vice President of Finance at One GI®, starting in September 2023. Prior to this, they served as the Chief Financial Officer at REAL TIME NEUROMONITORING ASSOCIATES / RTNA - AMP from July 2020 to April 2023. Mark has also worked as a Consultant at Envision Physician Services from October 2019 to April 2020 and as the Director of Finance at Urgent Care Group from June 2018 to October 2019. Before that, they held the title of Director at SpecialtyCare from July 2012 to June 2018. Earlier in their career, they worked as an Assistant Controller at e+CancerCare from March 2008 to April 2012 and as a Senior Auditor at Vanderbilt University Medical Center in 2007. Mark started their career in Assurance at BDO USA, LLP in 2005.
Mark Williams, CPA obtained a Bachelor's degree in Accountancy from the University of Mississippi in 2004. Mark further pursued their education and earned a Master's degree in Accountancy from the same institution in 2005.
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One GI®
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One GI is a physician-centric gastroenterology management services organization (MSO) that partners with gastroenterologists to help them manage, optimize, and grow their independent gastroenterology practices. Founded and advised by a medical board of gastroenterologists, One GI is devoted to preserving private practice through consolidation. One GI’s innovative executive leadership team holds deep expertise in digital health, healthcare provider oversight, and multi-specialty practice management to drive strategic growth initiatives, clinical excellence, and optimal patient care. Since its inception in 2020, One GI continues to rapidly grow within our expanding footprint, develop local ancillary services, and strengthen relationships with payors and healthcare systems. We offer a full suite of services for our partner practices, including finance and accounting, revenue enhancement, legal and compliance, practice benchmarking, quality assurance, development and growth, HR, information technology, and marketing/advertising/recruiting. One GI’s state-of-the-art ancillary services include in-house pathology, infusion, pharmacy, and research programs throughout our network. One GI is headquartered in Nashville, Tennessee, and powers gastroenterology practices located throughout Tennessee, Mississippi, Ohio, Kentucky, and Indiana. One GI’s entities include: Gastroenterology Health Partners, Digestive Health Associates, Gastro One, Gastroenterology Associates and Endoscopy Center of North Mississippi, Digestive Health Specialists, Dayton Gastroenterology, Digestive Disease Consultants, North Coast Endoscopy, Great Lakes Gastroenterology, Associates in Gastroenterology, and Franklin Gastroenterology.
